Drilldown: Patents

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Patents > Office: HU & Family year: 1916 & Number of text pages: 2-9

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airplane (13) · design (8) · aerodynamics (7) · propellers (7) · construction (6) · wings (5) · military (5) · airship (4) · propulsion (3) · Subsystem (3) · motors (3) · Biplane (3) · projectile (2) · Infrastructure (2) · HTA (2) · steering (2) · Control (2) · frame (2)
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